What color is #181848?

#181848 is a dark blue-violet. In RGB it is rgb(24, 24, 72), and in HSL hsl(240, 50%, 19%).

Is #181848 accessible as text?

On white, #181848 has a contrast ratio of 16.63:1 (passes WCAG AA for body text); on black it is 1.26:1 (fails). For text placed on #181848, use white for the best readability.

What is the closest Tailwind color to #181848?

The nearest Tailwind CSS token is indigo-950 (#1E1A4D).

What colors go well with #181848?

#181848 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #494918. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #181848 below.

Is #181848 good for buttons?

#181848 works well for buttons and highlights, but use white text on #181848 — black text only reaches 1.26:1, below the 4.5:1 needed for normal-size labels.

Is #181848 the same as CSS midnightblue?

No — #181848 is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color.

#181848 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #181848

Not just a swatch — here's how #181848 works with other colors. Named schemes with #181848 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #181848 Accent #A5C4C2 Surface #EAD5BF Secondary #9AA0A1 Anchor #22344A

Navy opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Nordic Calm Accent · 5 colors

Accent #181848 Secondary #AEB4B8 Surface #F1F2F0 Support #7E92A7 Anchor #2E3236

Navy keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.

Vintage Leather Lead · 5 colors

Lead #181848 Secondary #7F4534 Surface #EED7C2 Accent #365247 Anchor #582239

Navy plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Luxury Packaging Feature · 5 colors

Feature #181848 Anchor #141210 Accent #DC9758 Secondary #262833 Surface #F3ECE3

Navy carries the depth in this luxury scheme, offset by a brass accent and near-black and held together by a deep neutral and an off-white surface.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #181848 Secondary #3F4254 Support #9D9088 Ink #18140F

Navy is the single accent in this high-contrast editorial system — set on near-white paper against near-black ink, with a warm grey and a desaturated tint of Navy carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #181848 actually behaves in design work — read from its OKLCH lightness, chroma and hue, not just its raw numbers. Ten signals to help you decide where this color earns its place.

Warmth 33/100

Cool

Reads cool and recessive — calming, technical, good for trust-led UI.

Softness 23/100

Low

Firm and assertive — carries weight and contrast.

Depth 75/100

High

Deep and grounding — anchors a layout, strong dark-mode base.

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 36/100

Low

A faint retro warmth without tipping into sepia.

Luxury 78/100

High

Restrained and premium — deep, quiet, high-end packaging and fashion.

Brand distinctiveness 34/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 21/100

Low

Weak as an action color — too pale, too dark or too muted to signal.

Surface fit 43/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 86/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #181848

For UI

For branding

For interior

For fashion

People also use #181848 with

Charcoal Russian Violet Army Green Gainsboro Prussian Blue

UI roles & guardrails

Primary action Safe as a filled button with white label. AAA

Body text Passes on white at 16px and above. Pass

Large display Fine for headings 24px+ on white. Pass

Background Pair with white text at 16.6:1. Use

Subtle surface Use #C7C7E5 for cards and hover fills. Tint 80

Avoid beside #281849 — the hue gap is too small to read as intentional. Clash

In real applications

Not a swatch to memorise — a color to build with. Here is #181848 at work across the surfaces designers actually ship.

Website / UI

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Dashboard

Revenue

$48.2k ▲ 12%

Brand

AVELINE

Studio

Poster

Nov 14 · 8PM

NIGHT
MARKET

Packaging

BLOOM

Botanical Wash

250 ml

Interior

Every model

Export

:root {
  --color-base: #181848;
  --color-base-rgb: 24 24 72;
  --color-base-oklch: oklch(24.3% 0.087 277.7);
  --color-50: #F3F3FC;
  --color-100: #E0E0F5;
  --color-200: #C2C2EB;
  --color-300: #9797D8;
  --color-400: #7070C2;
  --color-500: #4E4EA6;
  --color-600: #424280;
  --color-700: #33335C;
  --color-800: #24243C;
  --color-900: #181825;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  navy: {
    50: '#F3F3FC',
    100: '#E0E0F5',
    200: '#C2C2EB',
    300: '#9797D8',
    400: '#7070C2',
    500: '#4E4EA6',
    600: '#424280',
    700: '#33335C',
    800: '#24243C',
    900: '#181825',
  },
}

$base: #181848;
$base-ink: #FFFFFF;
$base-50: #F3F3FC;
$base-100: #E0E0F5;
$base-200: #C2C2EB;
$base-300: #9797D8;
$base-400: #7070C2;
$base-500: #4E4EA6;
$base-600: #424280;
$base-700: #33335C;
$base-800: #24243C;
$base-900: #181825;
$base-hover: #13133A;
$base-subtle: #A9A9D9;

{
    "color": {
        "base": {
            "value": "#181848",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F3FC",
                "type": "color"
            },
            "100": {
                "value": "#E0E0F5",
                "type": "color"
            },
            "200": {
                "value": "#C2C2EB",
                "type": "color"
            },
            "300": {
                "value": "#9797D8",
                "type": "color"
            },
            "400": {
                "value": "#7070C2",
                "type": "color"
            },
            "500": {
                "value": "#4E4EA6",
                "type": "color"
            },
            "600": {
                "value": "#424280",
                "type": "color"
            },
            "700": {
                "value": "#33335C",
                "type": "color"
            },
            "800": {
                "value": "#24243C",
                "type": "color"
            },
            "900": {
                "value": "#181825",
                "type": "color"
            }
        }
    }
}